# -- coding: utf-8 --
# @Time : 2021/3/15--19:11
# @Author : ChinaV
# @File : 基本操作题 2：计算总成绩.py


# 请在__________上补充完成一行代码
# 不改变已有的编程框架内容
with open("data.txt", "r", encoding="utf-8") as fi:
    line = fi.readline().split(',')
    print(sum([int(x) for x in line[1:]]))
